Proline and glycinebetaine confer cadmium tolerance on tobacco bright yellow-2 cells by increasing ascorbate-glutathione cycle enzyme activities.

Islam, Mohammad Muzahidul and Hoque, Md Anamul and Okuma, Eiji and Jannat, Rayhanur and Banu, Mst Nasrin Akhter and Jahan , Md Sarwar and Nakamura, Yoshimasa and Murata, Yoshiyuki (2009) Proline and glycinebetaine confer cadmium tolerance on tobacco bright yellow-2 cells by increasing ascorbate-glutathione cycle enzyme activities. Bioscience, biotechnology, and biochemistry, 73 (10). pp. 2320-2323. ISSN 1347-6947

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Abstract

Cadmium (Cd) stress significantly decreased membrane integrity and impaired the ascorbate (ASC)-glutathione (GSH) cycle in tobacco Bright Yellow-2 cells. Exogenous application of proline and glycinebetaine (betaine) significantly restored the membrane integrity and increased the activities of ASC-GSH cycle enzymes under Cd stress without maintenance of the rich ASC or GSH pools. Moreover, proline offered more efficient protection against Cd stress than betaine.

Item Type: Article
Subjects: S Agriculture > S Agriculture (General)
Faculty / Institute: Faculty of Bioresources & Food Industry
Depositing User: Dr. Md Sarwar Jahan
Date Deposited: 03 Dec 2014 04:23
Last Modified: 03 Dec 2014 05:11
URI: http://erep.unisza.edu.my/id/eprint/1658

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